“Drunk History”: Jason Mantzoukas as the legendary surfer Eddie Aikau. (Comedy Central/Comedy Central)

Alison is at risk of hurting an innocent man and walking into one of A’s traps when she is forced to identify her real abductor on “Pretty Little Liars” (ABC Family at 8 p.m.); while Spencer devises a backup plan if she fails to tell the truth.

Nick Evans, an IT manager from Denver, faces off against a slew of culinary professionals, including chef Duff Goldman of “Ace of Cakes” fame, on “Food Fighters” (NBC at 8).

SERIES PREMIERE: Hosted by comedian Ben Gleib, “Idiotest” (GSN at 8) gives two pairs of contestants the opportunity to compete in several rounds of rapid-fire questions whose answers any “idiot” should know.

SERIES PREMIERE: The reality series “Sisterhood of Hip Hop” (Oxygen at 9) follows a group of young female MCs trying to break through in a genre dominated by men.

Dave Hester is back on “Storage Wars” (A&E at 9) and hitting the auctions with a vengeance, but even a pro like Hester can’t stop the buyers from scoring great storage units in Huntington Beach.

RETURNING SHOW: “Below Deck” (Bravo at 9) returns for Season 2 with another summer full of high-class demands and new crew members on the Ohana, a $10 million luxury yacht.

SERIES PREMIERE: The docu-series “4th and Loud” (AMC at 9) follows the L.A. Kiss Arena Football League team’s first season, a league that just happens to be owned by Paul Stanley and Gene Simmons of the rock band Kiss. In the premiere, the team’s owners and staff discuss marketing.

James Cook’s discovery of the islands, Eddie Aikau’s quest to become one of the world’s greatest big-wave surfers and Daniel Inouye’s military service are all covered on “Drunk History’s” (Comedy Central at 10) breakdown of Hawaii’s past.

SERIES PREMIERE: The colorful characters at a family-run construction company are faced with a tight deadline to put in a bid for a massive project on the opening episode of “Cement Heads” (A&E at 10:30).

Actors Jessica Alba and Rob Riggle are on “The Tonight Show Starring Jimmy Fallon” (NBC at 11:35), with a musical performance from Kings of Leon and former Kiss lead guitarist Ace Frehley.

“Modern Family’s” Eric Stonestreet comes to the “Late Show With David Letterman” (CBS at 11:35), with music from Brody Dalle.

“The Bachelorette’s” Andi Dorfman and her bachelor, Josh Murray, stop by “Jimmy Kimmel Live” (ABC at 11:35), with the Los Angeles Dodgers’ Clayton Kershaw and musical guest Train.

Rachel Lubitz